/* ***** BEGIN LICENSE BLOCK *****
 *   Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Save File to.
 *
 * The Initial Developer of the Original Code is
 * Atte Kemppilä.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 * 
 * ***** END LICENSE BLOCK ***** */


var EXPORTED_SYMBOLS = ["loadDefaultPrefs"];

const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;

Cu.import("resource://gre/modules/AddonManager.jsm");
Cu.import("resource://gre/modules/Services.jsm");


let loadedPaths = {};

function loadDefaultPrefs(addon, prefsPath)
{
    if (prefsPath in loadedPaths)
        return;
    
    if (! addon.hasResource(prefsPath))
        return;
    
    let prefsUri = addon.getResourceURI(prefsPath);
    
    let defaultPrefs = Services.prefs.getDefaultBranch("");
    let scope = {};
    scope.pref = function(key, value)
    {
        switch (typeof(value))
        {
            case "boolean":
                defaultPrefs.setBoolPref(key, value);
                break;
            case "number":
                defaultPrefs.setIntPref(key, value);
                break;
            case "string":
                var str = Cc["@mozilla.org/supports-string;1"].createInstance(Ci.nsISupportsString);
                str.data = value;
                defaultPrefs.setComplexValue(key, Ci.nsISupportsString, str);
                break;
        }
    };
    
    Services.scriptloader.loadSubScript(prefsUri.spec, scope);
    loadedPaths[prefsPath] = true;
}
